Kenichi Hiraiwa

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Ageo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paper bag with film inner bag
- Patent number 6,715,919
- Issue date Apr 6, 2004
- Showa Paxxs Corporation
- Kenichi Hiraiwa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Paper bag with film inner bag
- Publication number 20030035598
- Publication date Feb 20, 2003
- Showa Paxxs Corporation
- Kenichi Hiraiwa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL